Biggs Darklighter, a character who is barely in "Star Wars: A New Hope," is the star of a fan's documentary, "Blast It Biggs: Where Are You?" -- complete with rare movie footage and an interview with the actor Garrick Hagon.

LG and Samsung are among the best-known of South Korea's conglomerates, and their ongoing rivalry is just as famous. We take a look at their closely intertwined histories in part two of this series on chaebols.